150GD A DECAY 
Parent state: G.S.
Half life: 1.79E+6 Y(8)
Q(gs): 2808(6) keV
Branch ratio:        1.0
image 

Alpha ray: 
   Energy(keV)     Intensity(rel) Hindrance
      2726( 9)       100            -
Yu. KHAZOV, A. RODIONOV AND G, Nuclear Data Sheet 136, 163 (2016)

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